Task-specific organization of activity in human jaw muscles

Wichita State University. Department of Communication Sciences and Disorders

en_US

dc.contributor.author

Moore, Christopher A.

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dc.contributor.author

Smith, Anne

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dc.contributor.author

Ringel, Robert L.

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dc.date.accessioned

2012-02-29T18:34:47Z

dc.date.available

2012-02-29T18:34:47Z

dc.date.issued

1988-12

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dc.identifier

3230897

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dc.identifier

0376336

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dc.identifier

NS19173/ NS24145

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dc.identifier.citation

Journal of speech and hearing research. 1988 Dec; 31(4): 670-80.

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dc.identifier.issn

0022-4685

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dc.identifier.uri

http://jslhr.highwire.org/cgi/content/abstract/31/4/670

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dc.identifier.uri

http://hdl.handle.net/10057/4703

dc.description

Click on the link below to access the electronic version of the article (may not be free). Check the journal record http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=477119 for the paper version of the article in the library.

en_US

dc.description.abstract

Coordination of jaw muscle activity for speech production sometimes has been modeled using nonspeech behaviors. This orientation has been especially true in representations of mandibular movement in which the synergy of jaw muscles for speech production has been suggested to be derived from the central pattern generator (CPG) for chewing. The present investigation compared the coordination of EMG activity in mandibular muscles over a range of speech and nonspeech tasks. Results of a cross-correlational analysis between EMG signals demonstrated that the muscle synergies of the mandibular system depend on task demands. Contrary to some of the models discussed, continuous speech production yielded activation patterns that were clearly not related to coordinative patterns generated by the chewing CPG.